3109125 has 16 divisors (see below), whose sum is σ = 5174208. Its totient is φ = 1658000.

The previous prime is 3109121. The next prime is 3109157. The reversal of 3109125 is 5219013.

3109125 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3109125 - 2² = 3109121 is a prime.

It is a super-3 number, since 3×3109125³ = 90164546640333984375, which contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3109121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3771 + ... + 4520.

It is an arithmetic number, because the mean of its divisors is an integer number (323388).

Almost surely, 2^3109125 is an apocalyptic number.

It is an amenable number.

3109125 is a deficient number, since it is larger than the sum of its proper divisors (2065083).

3109125 is an equidigital number, since it uses as much as digits as its factorization.

3109125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8309 (or 8299 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 21.

The square root of 3109125 is about 1763.2711079128. The cubic root of 3109125 is about 145.9528996752.

The spelling of 3109125 in words is "three million, one hundred nine thousand, one hundred twenty-five".